Home / 42,965,991.20-64,448,355.71-10,617,892.97

Finding the Fourth Proportional to 42,965,991.20, 64,448,355.71 and 10,617,892.97

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Solution

The fourth proportional to 42,965,991.20, 64,448,355.71 and 10,617,892.97 is: 15,926,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,965,991.20 : 64,448,355.71 = 10,617,892.97 : x
  2. Step 2: Convert to fraction form
    42,965,991.20/64,448,355.71 = 10,617,892.97/x
  3. Step 3: Cross multiply
    42,965,991.20x = 64,448,355.71 × 10,617,892.97
  4. Step 4: Simplify right side
    42,965,991.20x = 684,305,742,725,571.25
  5. Step 5: Solve for x
    x = 684,305,742,725,571.25/42,965,991.20
  6. Step 6: Final answer
    x = 15,926,683.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.